Door knobs for Printed Solid's Railcore doors

I don't have these doors, but a user on the Railcore discord noted that the Printed Solid doors have a 19mm opening to use as a finger pull. These knobs are designed to go through the finger hole and thread on with the printed nut.

Print Settings

Printer:

Railcore

Rafts:

Doesn't Matter

Supports:

No

Resolution:

Doesn't matter

Notes:

Threads are designed for 3D printing. I printed them myself at 0.3mm, and threads easily.